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56822865 = 3511521661
BaseRepresentation
bin1101100011000…
…0110001010001
310221220220022120
43120300301101
5104021312430
65345524453
71256662221
oct330606121
9127826276
1056822865
112a090950
1217043729
13ba06ac8
147792081
154ec6610
hex3630c51

56822865 has 32 divisors (see below), whose sum is σ = 99522432. Its totient is φ = 27456000.

The previous prime is 56822849. The next prime is 56822869.

56822865 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56822865 - 24 = 56822849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56822869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85635 + ... + 86295.

It is an arithmetic number, because the mean of its divisors is an integer number (3110076).

Almost surely, 256822865 is an apocalyptic number.

56822865 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56822865 is a deficient number, since it is larger than the sum of its proper divisors (42699567).

56822865 is a wasteful number, since it uses less digits than its factorization.

56822865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201.

The product of its digits is 230400, while the sum is 42.

The square root of 56822865 is about 7538.0942551815. The cubic root of 56822865 is about 384.4510419982.

The spelling of 56822865 in words is "fifty-six million, eight hundred twenty-two thousand, eight hundred sixty-five".